CORD-19:12dd53397f3ddd026cfbfe6dfd1aaefc565b6aeb / 13746-13899 JSONTXT

{"project":"CORD-19_Custom_license_subset","denotations":[{"id":"T83","span":{"begin":0,"end":153},"obj":"Sentence"}],"text":"The microsphere mixture was incubated for 20 min at room temperature in the dark, centrifuged at 8,000 ϫ g for 2 min, and washed twice with 250 l of PBS."}

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